fix: ci job for building the docker

.github/workflows/build-and-deploy.yaml

@@ -5,6 +5,10 @@ on:
     branches:
       - main  # Change this to your main branch
 
+env:
+  REGISTRY: ghcr.io
+  IMAGE_NAME: ${{ github.repository }}
+
 jobs:
   build-and-deploy:
     runs-on: ubuntu-latest
@@ -30,7 +34,7 @@ jobs:
         id: meta
         uses: docker/metadata-action@9ec57ed1fcdbf14dcef7dfbe97b2010124a938b7
         with:
-          images: my-docker-hub-namespace/my-docker-hub-repository
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
 
       - name: Build and push Docker image
         uses: docker/build-push-action@3b5e8027fcad23fda98b2e3ac259d8d67585f671